#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main(void)
{
	int count,sum;
	int n;
	printf("enter the upper limits:");
	scanf("%d",& n);
	count = 0;
	sum = 0;
	while (count++ < n)
	{
		sum = sum + count;
		printf("sum=%d\n", sum);
	}
	return 0;
}